/Engine/Plugins/Online/OnlineFramework/Source/Party/Public/SocialQuery.h
void Initialize ( const [USocialToolkit](API\Plugins\Party\USocialToolkit) & InToolkit, [ESocialSubsystem](API\Plugins\Party\ESocialSubsystem) InSubsystemType, const [FOnQueryCompleted](API\Plugins\Party\FOnQueryCompleted) & InOnQueryCompleted )